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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.wizards.templates;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectPage.ACTIVITY_NAME_SUFFIX;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectPage.LAYOUT_NAME_PREFIX;
import com.android.ide.eclipse.adt.AdtUtils;
import freemarker.template.SimpleScalar;
import freemarker.template.TemplateMethodModel;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
import java.util.List;
/**
* Method invoked by FreeMarker to convert an Activity class name into
* a suitable layout name.
*/
public class FmActivityToLayoutMethod implements TemplateMethodModel {
@Override
public TemplateModel exec(List args) throws TemplateModelException {
if (args.size() != 1) {
throw new TemplateModelException("Wrong arguments");
}
String activityName = args.get(0).toString();
if (activityName.isEmpty()) {
return new SimpleScalar("");
}
// Strip off the end portion of the activity name. The user might be typing
// the activity name such that only a portion has been entered so far (e.g.
// "MainActivi") and we want to chop off that portion too such that we don't
// offer a layout name partially containing the activity suffix (e.g. "main_activi").
int suffixStart = activityName.lastIndexOf(ACTIVITY_NAME_SUFFIX.charAt(0));
if (suffixStart != -1 && activityName.regionMatches(suffixStart, ACTIVITY_NAME_SUFFIX, 0,
activityName.length() - suffixStart)) {
activityName = activityName.substring(0, suffixStart);
}
assert !activityName.endsWith(ACTIVITY_NAME_SUFFIX) : activityName;
// Convert CamelCase convention used in activity class names to underlined convention
// used in layout name:
String name = LAYOUT_NAME_PREFIX + AdtUtils.camelCaseToUnderlines(activityName);
return new SimpleScalar(name);
}
}
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